CN2798969Y

CN2798969Y - Transfusion device

Info

Publication number: CN2798969Y
Application number: CN 200520058977
Authority: CN
Inventors: 林晓生
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-05-23
Filing date: 2005-05-23
Publication date: 2006-07-26
Anticipated expiration: 2015-05-23

Abstract

The utility model discloses a transfusion device, which comprises a vein needle and a lower transfusion catheter, wherein the lower transfusion catheter is provided with a physical liquor filter and a speed regulator; the lower transfusion catheter is connected with the lower part of a Murphy's dropping kettle; the upper part of the Murphy's dropping kettle is connected with an upper transfusion catheter; the upper transfusion catheter is provided with transfusion needles; the upper transfusion catheter is divided into two or more than two branch catheters; each of the branch catheters is respectively provided with a switch control valve and is respectively connected with each of the transfusion needles; the Murphy's dropping kettle is provided with a floating plug which can float and seal the nozzle of the lower transfusion catheter when the liquid level in the Murphy's dropping kettle falls to a low position. When used, the utility model can prevent air from being sucked into the lower transfusion catheter to result in gaslock or the phenomenon of blood regurgitation; the time for the replacement of a bottle can be arranged properly independently, which reduces mental stress and labor intensity caused by nursing service.

Description

A kind of transfusion device

Technical field

This utility model relates to a kind of medical apparatus and instruments, specifically is transfusion device.

Background technology

At present the transfusion device that uses in the medical treatment by needle for inserting bottle, upper tubing, Fei Shi does not drip kettle, tube for transfusion, filter, speed regulator and syringe needle constitute down.Sometimes want the many bottle liquid medicines of infusion for disease patient transfusion, operating process is to be totally lost one bottle to change one bottle, the nursing staff need carefully observe, the continuous bottle of prior notice nurse when being about to be totally lost, the nurse needs in time to handle, change bottle in advance and can cause liquid waste, untimely continuous bottle can make liquid level drop to tube for transfusion, dealing with wastes time and energy, even may cause aeroembolism or blood back phenomenon, and increase patient's misery, therefore to use nurse and nursing staff's workload big for such transfusion device, the nursery work time is difficult to autonomous arrangement, and easily causes error and accident.

The utility model content

The purpose of this utility model is to address the above problem, and a kind of transfusion device of the bottle of can changing dressings in advance is provided, and this transfusion device can be avoided liquid waste, avoids the formation and the blood back phenomenon of aeroembolism simultaneously.

This utility model transfusion device comprises intravenous needle, following tube for transfusion, on the following tube for transfusion liquid medicine filter and speed regulator are arranged, following tube for transfusion connects the bottom that Fei Shi not drips kettle, Fei Shi does not drip kettle top connection upper tubing, needle for inserting bottle is arranged on the upper tubing, upper tubing is branched into two-way or the above arm of two-way, a switching control pilot is arranged on the arm of every road and respectively be connected with needle for inserting bottle, and Fei Shi does not drip to have in the kettle and can suspend and drip the floating plug of sealing down the tube for transfusion mouth of pipe when liquid level drops to low level in the kettle as Fei Shi not.

A kind of embodiment of above-mentioned floating plug is to comprise a hollow body, and tubaeform sucker is arranged at the hollow body bottom, and to drip the kettle bottom surface be not the plane to Fei Shi, and the following tube for transfusion mouth of pipe is positioned at not that Fei Shi drips middle part, kettle bottom surface.

Second embodiment of above-mentioned floating plug is to comprise a hollow body, and inverted groove is arranged at the hollow body bottom, and the following tube for transfusion mouth of pipe exceeds not that Fei Shi drips the kettle bottom surface.

Above-mentioned floating plug can also be a hollow ball, or suspensible inverted tower shape body or spike body.

Above-mentioned speed regulator comprises a chute, and pulley slides in chute, at the chute middle part one catch that fractures is easily arranged, when speed regulator is used, propelling sheave slides and catch to be fractureed come off, can judge thus whether transfusion device was used, prevent that transfusion device is recovered for re-use.

When using, this utility model can select transfusion device for use according to the medicinal liquid bottle number that will fail with equal amount arm or two arms, plug the switching control pilot of opening one of them arm behind the needle for inserting bottle earlier, after this bottle liquid medicine is totally lost, can begin defeated second bottle liquid medicine by nursing staff or the switching control pilot that has the patient oneself of ability to act to open second arm, thereby not need to notify the nurse to change bottle.If miss an opportunity because of a delay, after being totally lost, in time do not open first bottle liquid medicine switching control pilot of second arm, since after first bottle liquid medicine is totally lost not Fei Shi drip in the kettle liquid level and drop to when low, floating plug descends not with gravity, and Fei Shi drips the tube for transfusion mouth of pipe under the kettle bottom lock, can stop transfusion, preventing that air is inhaled into down causes aeroembolism or blood back phenomenon in the tube for transfusion, open behind the switching control pilot of second arm medicinal liquid and flow into not that Fei Shi drips kettle, floating plug floated after liquid level raise, and the following tube for transfusion mouth of pipe is opened and transfusion smoothly.In the random time of the second bottle liquid medicine process, can change the 3rd bottle liquid medicine in the position of first bottle liquid medicine and wait continuous bottle, so the nurse changes bottle time and can suitably independently arrange, reduce mental pressure and labor intensity that nursery work brought.

Description of drawings

Fig. 1 is a kind of embodiment sketch map of this utility model.

Fig. 2 is that Fei Shi does not drip kettle and floating plug sketch map.

Fig. 3 is the speed regulator front elevation.

Fig. 4 is the speed regulator oblique view.

The specific embodiment

As shown in Figure 1, this utility model transfusion device has intravenous needle 1, intravenous needle 1 connects tube for transfusion 2 down, following tube for transfusion 2 upper ends connect not, and Fei Shi drips kettle 3, the liquid medicine filter 4 of filtering liquid medicine and the speed regulator 5 of adjusting medicinal liquid flow velocity are arranged on the following tube for transfusion 2, and Fei Shi does not drip kettle 3 tops connection upper tubing 6, and upper tubing 6 tops are communicated with two arms 7,8, arm 7,8 respectively is connected to needle for inserting bottle 9,10 so that connect medicine bottle or medicated bag, switch controller 11,12 is respectively arranged so that seal or open arm on the arm 7,8.As shown in Figure 2, Fei Shi does not drip in the kettle 3 floating plug, and a hollow body 13 is arranged at this floating plug top, and tubaeform sucker 14 is arranged at hollow body 13 bottoms, and Fei Shi does not drip kettle 3 bottom surfaces 15 and is the plane, and the mouth of pipe of following tube for transfusion 2 is positioned at the middle part that Fei Shi not drips kettle 3 bottom surfaces.

Needle for inserting bottle 9,10 can be a draw point, adds the air inlet pipe of joining a strip steel pin in addition, uses when the infusion bottled medicinal liquor, and air inlet pipe is not used during infusion bag powder charge liquid.Needle for inserting bottle 9,10 also can be twin-channel plastics pin, and wherein a passage is connected upper tubing, another channel connection air inlet pipe, and air inlet pipe is provided with plug, opens or close plug during bottled or packed medicinal liquid respectively at infusion.

Medicinal liquid can enter upper tubing 6 and enter not that Fei Shi drips the kettle 3 respectively after needle for inserting bottle 9,10 grafting infusion bottles or the transfusion bag from arm 7,8, therefore can peg graft simultaneously two bottles or above medicinal liquid of this utility model, the control by switch controller 11,12 can realize many bottles of transfusions simultaneously or transfusion successively.

In the infusion process, the floating plug that drips in the kettle 3 of Fei Shi is not suspended on the liquid level, when the medicinal liquid of a branch road is totally lost, floating plug descends with liquid level, be close to not after Fei Shi does not drip kettle 3 bottoms 15 when the tubaeform sucker 14 of floating plug bottom contacts that Fei Shi drips on kettle 3 bottoms, this action of gravity of tube for transfusion 2 herb liquids at present produce slight negative pressure and make sucker fully be adsorbed on not Fei Shi drips kettle 3 bottoms, can make down tube for transfusion 2 adequate closures, transfusion stops, and liquid level also no longer drops in the tube for transfusion 2.When the switch controller 11 of opening another branch road or 12, medicinal liquid flows to not that Fei Shi drips kettle 3, and liquid level rises, and floating plug breaks away from not Fei Shi and drips kettle 3 bottoms and rise with liquid level under buoyancy, and infusion channel is open-minded automatically.Tubaeform sucker 14 preferably uses elastomeric material such as silicone rubber to make, and guaranteeing can elastic deformation under the slight negative pressure effect.

For preventing that transfusion device is recovered for re-use, this utility model is provided with a kind of structure of judging whether this transfusion device was used in speed regulator 5.As shown in Figure 3, Figure 4, this speed regulator 5 comprises a chute 18, pulley 19 slides in chute 18, at chute 18 middle parts one catch that fractures easily 20 is arranged, necessary propelling sheave 19 when speed regulator is used, pulley 19 makes catch 20 fracture in sliding process to come off, and after the disposable transfusion of finishing some bottle liquid medicines, transfusion device is scrapped.When the transfusion device catch 20 of new use has not existed, prove that this transfusion device was used, can not reuse.

Claims

1. transfusion device, comprise intravenous needle, following tube for transfusion, on the following tube for transfusion liquid medicine filter and speed regulator are arranged, following tube for transfusion connects the bottom that Fei Shi not drips kettle, Fei Shi does not drip kettle top connection upper tubing, needle for inserting bottle is arranged on the upper tubing, it is characterized in that, described upper tubing is branched into two-way or the above arm of two-way, one switching control pilot is arranged on the arm of every road and respectively be connected with needle for inserting bottle, Fei Shi does not drip to have in the kettle and can suspend and drip the floating plug of sealing down the tube for transfusion mouth of pipe when liquid level drops to low level in the kettle as Fei Shi not.

2. according to the described transfusion device of claim 1, it is characterized in that described floating plug comprises a hollow body, tubaeform sucker is arranged at the hollow body bottom, and to drip the kettle bottom surface be not the plane to Fei Shi, and the following tube for transfusion mouth of pipe is positioned at not that Fei Shi drips middle part, kettle bottom surface.

3. according to the described transfusion device of claim 1, it is characterized in that described floating plug comprises a hollow body, inverted groove is arranged at the hollow body bottom, and the following tube for transfusion mouth of pipe exceeds not that Fei Shi drips the kettle bottom surface.

4. according to the described transfusion device of claim 1, it is characterized in that described floating plug is a hollow ball, suspensible inverted tower shape body or spike body.

5. according to the described transfusion device of claim 1, it is characterized in that described speed regulator comprises a chute, pulley slides in chute, at the chute middle part one catch that fractures is easily arranged.